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- PDB-6f38: Cryo-EM structure of two dynein tail domains bound to dynactin an... -
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Basic information
Entry | Database: PDB / ID: 6f38 | |||||||||
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Title | Cryo-EM structure of two dynein tail domains bound to dynactin and HOOK3 | |||||||||
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![]() | MOTOR PROTEIN / TDH / DDH / Complex / dynein/dynactin/HOOK3 | |||||||||
Function / homology | ![]() RHOD GTPase cycle / Factors involved in megakaryocyte development and platelet production / Regulation of actin dynamics for phagocytic cup formation / EPHB-mediated forward signaling / Adherens junctions interactions / VEGFA-VEGFR2 Pathway / Cell-extracellular matrix interactions / RHO GTPases Activate WASPs and WAVEs / MAP2K and MAPK activation / retrograde axonal transport of mitochondrion ...RHOD GTPase cycle / Factors involved in megakaryocyte development and platelet production / Regulation of actin dynamics for phagocytic cup formation / EPHB-mediated forward signaling / Adherens junctions interactions / VEGFA-VEGFR2 Pathway / Cell-extracellular matrix interactions / RHO GTPases Activate WASPs and WAVEs / MAP2K and MAPK activation / retrograde axonal transport of mitochondrion / UCH proteinases / Gap junction degradation / Formation of annular gap junctions / RHOF GTPase cycle / Clathrin-mediated endocytosis / Formation of the dystrophin-glycoprotein complex (DGC) / Regulation of PLK1 Activity at G2/M Transition / Loss of Nlp from mitotic centrosomes / Loss of proteins required for interphase microtubule organization from the centrosome / Anchoring of the basal body to the plasma membrane / AURKA Activation by TPX2 / dynactin complex / Recruitment of mitotic centrosome proteins and complexes / transport along microtubule / visual behavior / F-actin capping protein complex / WASH complex / dynein light chain binding / dynein heavy chain binding / cellular response to cytochalasin B / ciliary tip / regulation of transepithelial transport / positive regulation of intracellular transport / Intraflagellar transport / morphogenesis of a polarized epithelium / regulation of metaphase plate congression / establishment of spindle localization / protein localization to adherens junction / postsynaptic actin cytoskeleton / structural constituent of postsynaptic actin cytoskeleton / positive regulation of spindle assembly / Tat protein binding / barbed-end actin filament capping / Neutrophil degranulation / dense body / coronary vasculature development / apical protein localization / adherens junction assembly / dynein complex / regulation of cell morphogenesis / COPI-independent Golgi-to-ER retrograde traffic / retrograde axonal transport / RHO GTPases activate IQGAPs / RHO GTPases Activate Formins / tight junction / P-body assembly / minus-end-directed microtubule motor activity / HSP90 chaperone cycle for steroid hormone receptors (SHR) in the presence of ligand / MHC class II antigen presentation / Recruitment of NuMA to mitotic centrosomes / dynein light intermediate chain binding / microtubule motor activity / cytoplasmic dynein complex / aorta development / COPI-mediated anterograde transport / centrosome localization / ventricular septum development / dynein intermediate chain binding / regulation of norepinephrine uptake / nuclear migration / transporter regulator activity / apical junction complex / microtubule-based movement / nitric-oxide synthase binding / NuA4 histone acetyltransferase complex / establishment or maintenance of cell polarity / cortical cytoskeleton / dynein complex binding / regulation of synaptic vesicle endocytosis / brush border / kinesin binding / positive regulation of double-strand break repair via homologous recombination / microtubule-based process / regulation of protein localization to plasma membrane / cytoplasmic microtubule / COPI-mediated anterograde transport / Amplification of signal from unattached kinetochores via a MAD2 inhibitory signal / cytoplasmic microtubule organization / axon cytoplasm / cytoskeleton organization / Mitotic Prometaphase / EML4 and NUDC in mitotic spindle formation / stress granule assembly / Loss of Nlp from mitotic centrosomes / Loss of proteins required for interphase microtubule organization from the centrosome / calyx of Held / Recruitment of mitotic centrosome proteins and complexes / MHC class II antigen presentation / Recruitment of NuMA to mitotic centrosomes / regulation of mitotic spindle organization Similarity search - Function | |||||||||
Biological species | ![]() ![]() ![]() | |||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 6.7 Å | |||||||||
![]() | Lau, C.K. / Urnavicius, L. / Elshenawy, M.M. / Morales-Rios, E. / Motz, C. / Yildiz, A. / Carter, A.P. | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Cryo-EM shows how dynactin recruits two dyneins for faster movement. Authors: Linas Urnavicius / Clinton K Lau / Mohamed M Elshenawy / Edgar Morales-Rios / Carina Motz / Ahmet Yildiz / Andrew P Carter / ![]() ![]() ![]() Abstract: Dynein and its cofactor dynactin form a highly processive microtubule motor in the presence of an activating adaptor, such as BICD2. Different adaptors link dynein and dynactin to distinct cargoes. ...Dynein and its cofactor dynactin form a highly processive microtubule motor in the presence of an activating adaptor, such as BICD2. Different adaptors link dynein and dynactin to distinct cargoes. Here we use electron microscopy and single-molecule studies to show that adaptors can recruit a second dynein to dynactin. Whereas BICD2 is biased towards recruiting a single dynein, the adaptors BICDR1 and HOOK3 predominantly recruit two dyneins. We find that the shift towards a double dynein complex increases both the force and speed of the microtubule motor. Our 3.5 Å resolution cryo-electron microscopy reconstruction of a dynein tail-dynactin-BICDR1 complex reveals how dynactin can act as a scaffold to coordinate two dyneins side-by-side. Our work provides a structural basis for understanding how diverse adaptors recruit different numbers of dyneins and regulate the motile properties of the dynein-dynactin transport machine. | |||||||||
History |
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Structure visualization
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Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 1.8 MB | Display | ![]() |
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PDB format | ![]() | 1.3 MB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
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-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 4177MC ![]() 4168C ![]() 4169C ![]() 4170C ![]() 4171C ![]() 4172C ![]() 5owoC ![]() 6f1tC ![]() 6f1uC ![]() 6f1vC ![]() 6f1yC ![]() 6f1zC ![]() 6f3aC M: map data used to model this data C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Components
-Protein , 8 types, 19 molecules ABCDEFGIHJKLUXxklst
#1: Protein | Mass: 42670.688 Da / Num. of mol.: 8 / Source method: isolated from a natural source / Details: ADP: Adenosine Diphosphate / Source: (natural) ![]() ![]() #2: Protein | | Mass: 41782.660 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: ATP: Adenosine triphosphate / Source: (natural) ![]() ![]() #3: Protein | | Mass: 43203.250 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: ADP: Adenosine diphosphate / Source: (natural) ![]() ![]() #4: Protein | | Mass: 33059.848 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #5: Protein | | Mass: 30669.768 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #10: Protein | | Mass: 20703.910 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #12: Protein | Mass: 18996.346 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #22: Protein | Mass: 10934.576 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
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-Dynactin Subunit ... , 12 types, 14 molecules MNOPQRVYZabcdz
#6: Protein | Mass: 49974.707 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() | ||||||||||||||||||
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#7: Protein | Mass: 52442.777 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() | ||||||||||||||||||
#8: Protein | Mass: 5549.833 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #9: Protein | Mass: 7422.140 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #11: Protein | | Mass: 20150.533 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #13: Protein | | Mass: 22485.607 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #14: Protein | | Mass: 4443.468 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #15: Protein | | Mass: 7578.217 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #16: Protein | | Mass: 10147.034 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #17: Protein/peptide | | Mass: 5551.896 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #18: Protein/peptide | | Mass: 3239.433 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #23: Protein | | Mass: 4528.573 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
-Cytoplasmic dynein 1 ... , 3 types, 12 molecules efmnghopijqr
#19: Protein | Mass: 168318.781 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #20: Protein | Mass: 68442.141 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #21: Protein | Mass: 54173.156 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
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-Non-polymers , 2 types, 10 molecules 


#24: Chemical | ChemComp-ADP / #25: Chemical | ChemComp-ATP / | |
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-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
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Source (natural) |
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Source (recombinant) |
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Buffer solution | pH: 7.2 | ||||||||||||||||||||||||||||||
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES | ||||||||||||||||||||||||||||||
Vitrification | Cryogen name: ETHANE |
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Electron microscopy imaging
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD |
Image recording | Electron dose: 45 e/Å2 / Detector mode: INTEGRATING / Film or detector model: FEI FALCON III (4k x 4k) |
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Processing
Software | Name: PHENIX / Version: dev_2919: / Classification: refinement | ||||||||||||||||||||||||
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EM software |
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
Symmetry | Point symmetry: C1 (asymmetric) | ||||||||||||||||||||||||
3D reconstruction | Resolution: 6.7 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 23407 / Symmetry type: POINT | ||||||||||||||||||||||||
Atomic model building | Protocol: FLEXIBLE FIT / Space: REAL / Target criteria: Corellation Coefficient | ||||||||||||||||||||||||
Refine LS restraints |
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